Nonequilibrium thermodynamics of a squeezed harmonic oscillator
Fernando Galve, Eric Lutz
TL;DR
This paper explores the thermodynamic behavior of a quantum harmonic oscillator in a squeezed vacuum state, linking squeezing to irreversible work and nonadiabaticity, and identifies optimal modulation for maximal squeezing.
Contribution
It provides an analytical relationship between squeezing, irreversible work, and nonadiabaticity, and proposes optimal modulation strategies for maximal squeezing in quantum systems.
Findings
Analytical relation between squeezing parameter and irreversible work.
Identification of optimal modulation for maximal squeezing.
Discussion on implementation and detection in cold ion traps.
Abstract
We consider the thermodynamic properties of the squeezed vacuum state of a frequency--modulated quantum harmonic oscillator. We analytically relate the squeezing parameter to the irreversible work and the degree of nonadiabaticity of the frequency transformation. We furthermore determine the optimal modulation that leads to maximal squeezing, and discuss its implementation as well as the detection of squeezing in single cold ion traps.
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Taxonomy
TopicsAdvanced Thermodynamics and Statistical Mechanics · Nonlinear Dynamics and Pattern Formation · Gas Dynamics and Kinetic Theory